There is a New Moon merchandise sale at Hot Topic. You can get 50% off Edward, Jacob, Bella, Volturi, and Twilight t-shirts, New Moon trading cards, Volturi makeup, jewelry, posters, collectibles, and ipod skins. It looks like a good time to pick up any New Moon items you have been wanting before they get replace by Eclipse merchandise.
To add to the deal you can also get 25% off orders of $40 or more at Hot Topic through 4/3 with code HTA25OFF40. Check the deals out here.
